<%@ page contentType="text/html;charset=UTF-8" language="java"%>
<%@ taglib uri='http://java.sun.com/portlet' prefix='portlet'%>
<%@ page import="javax.portlet.*"%>

<portlet:defineObjects />
<a href='<portlet:renderURL><portlet:param name="frameworkUri" value="default"/></portlet:renderURL>'>click to default</a>